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Hearings Before the Subcommittee on Health Legislation of the Committee on Labor and Public Welfare, United States Senate, Eighty-first Congress, First Session on S. 904 ... May 11 and 12, 1949
出版1949
URLhttp://books.google.com.hk/books?id=61p_m5nQl8sC&hl=&source=gbs_api
註釋Considers legislation to establish a National Advisory Council on Research in Child Life to support research related to child life and development and disseminate information on these activities.